/// <summary>
/// 状态机状态翻转
/// </summary>
/// <param name="state">指定状态机</param>
/// <returns>执行结果</returns>
public static async ETTask ChangeState <State, T, U, V>(this FSMComponent self, T t, U u, V v) where State : Entity
{
CoroutineLock coroutine = null;
try
{
coroutine = await CoroutineLockComponent.Instance.Wait(CoroutineLockType.FSM, self.Id);
Entity _tmpState = self.GetState <State>(); //要改变的状态不存在
if (_tmpState == null)
{
Log.Warning("FSMSystem(容错)：该状态【{0}】不存在于状态机中！", typeof(State).Name);
}
if (self.CurrentState != null) //当前状态不为空
{
await FSMEventSystem.Instance.FSMOnExit(self.CurrentState);
}
self.CurrentState = _tmpState; //缓存为当前状态
await FSMEventSystem.Instance.FSMOnEnter(self.CurrentState, t, u, v); //触发当前状态的OnEnter
}
finally
{
coroutine?.Dispose();
}
}
public static Entity GetState <State>(this FSMComponent self) where State : Entity
{
if (self.m_dic.TryGetValue(typeof(State), out var res))
{
return(res);
}
return(null);
}
public static async ETTask RemoveAllState(this FSMComponent self) //移除所有状态
{
if (self.CurrentState != null)
{
await FSMEventSystem.Instance.FSMOnExit(self.CurrentState);
self.CurrentState = null;
}
self.m_dic.Clear();
}
/// <summary>
/// 添加指定的状态
/// </summary>
/// <typeparam name="State"></typeparam>
/// <param name="self"></param>
public static void AddState <State, T, U, V>(this FSMComponent self, T t, U u, V v) where State : Entity, IAwake <T, U, V>
{
Entity _tmpState = self.GetState <State>();
if (_tmpState == null)
{
var state = self.AddChild <State, T, U, V>(t, u, v);
self.m_dic.Add(typeof(State), state);
}
else
{
Log.Warning("FSMSystem(容错)：该状态【{0}】已经被添加！", typeof(State).Name);
}
}
/// <summary>
/// 删除状态
/// </summary>
/// <typeparam name="State"></typeparam>
/// <param name="self"></param>
/// <param name="_state"></param>
public static void RemoveState <State>(this FSMComponent self) where State : Entity
{
Entity _tmpState = self.GetState <State>();
if (_tmpState != null)
{
if (self.CurrentState == _tmpState)
{
Log.Warning("FSMSystem(容错)：该状态【{0}】正在进行！", typeof(State).Name);
}
else
{
self.m_dic.Remove(typeof(State));
_tmpState.Dispose();
}
}
else
{
Log.Warning("FSMSystem(容错)：该状态【{0}】已经被移除！", typeof(State).Name);
}
}